<div>
	<fieldset>
		<legend class="sv-hidden">matrix</legend>
		<table class="sv_q_matrix">
			<thead>
				<tr>
					<th>
						<span class="sv-string-viewer">col_1</span>
					</th>
					<th>
						<span class="sv-string-viewer">col_2</span>
					</th>
				</tr>
			</thead>
			<tbody>
			</tbody>
		</table>
	</fieldset>
</div>